Radiola network lamp `` Ural-47 ''.

Network tube radiosDomesticRadiola network lamp "Ural-47" since 1947 was produced at the Sarapul radio plant named after. Ordzhonikidze, and from the fall of 1948 also at Plant No. 626 NKV (Sverdlovsk Automation Plant). Radiola "Ural-47" is a six-lamp receiver, combined with an electric playing device. Frequency ranges: DV 150 ... 420 kHz, SV 520 ... 1500 kHz, KV 4.4 ... 15.5 MHz. Receiver sensitivity - 100 μV. Selectivity - 26 dB. The maximum output power is 4 watts. The range of sound frequencies during reception is 100 ... 4000 Hz, when listening to records - 100 ... 6000 Hz. Power is supplied from the electrical network. Power consumption 80 W when receiving broadcast radio stations and 100 W when playing records.